series fb & sb momentary pushbuttons www.nkk.com c38 indicators accessories supplement tactiles keylocks rotaries c pushbuttons illuminated pb slides programmable rockers touch tilt toggles general specifcations fb series electrical capacity (resistive load) power level: 500ma @ 125v ac for silver logic level: 0.4v a max. @ 28v ac/dc max. for gold ( applicable range 0.1ma ~ 0.1a @ 20mv ~ 28v) note: find additional explanation in supplement section. other ratings contact resistance: 30 milliohms maximum for silver; 30 milliohms maximum for gold insulation resistance: 100 megohms minimum @ 500v dc dielectric strength: 1,000v ac minimum between contacts & between contacts & case for 1 minute minimum mechanical life: 5 0,000 operations minimum electrical life: 50,000 operations minimum nominal operating force: 2.16n travel: pretravel .043 (1.1mm) over travel .022 (0.57mm) t otal travel .065 (1.67mm) materials & finishes plunger: polyacetal bushing: brass with nickel plating case: phenolic resin movable contactor: copper with silver or gold plating stationar y contacts: phosphor bronze with silver or gold plating terminals: phosphor bronze with silver or gold plating environmental & installation data operating t emp range: C10c through +70c (+14f through +158f) soldering time & manual soldering: t emperature: see profle a in supplement section. standards & certifications ul: file no. e44145 - recognized only when ordered with marking on switch. a dd /u or /cul before dash in part number to order ul recognized switch. models rated 0.5a @ 125v ac single pole; momentar y action circuit with solder lug terminations. csa: sb series 3a @ 125v ac or 2a @ 250v ac or 2a @ 30v dc for silver 0.4va max. @ 28v ac/dc max. for gold (applicable range 0.1ma ~ 0.1a @ 20mv ~ 28v) note: find explanation of operating range in supplement section. 10 milliohms maximum for silver; 20 milliohms maximum for gold 200 megohms minimum @ 500v dc 1,000v ac minimum between contacts & between contacts & case for 1 minute minimum 30,000 operations minimum 10,000 operations minimum 4.90n normally open total travel .088 (2.24mm) normally closed total travel .088 (2.24mm) phenolic resin brass with nickel plating phenolic resin copper with silver or gold plating copper with silver or gold plating copper with silver or gold plating C10c through +70c (+14f through +158f) manual soldering: see profle a in supplement section. file no. e44145 - recognized only when ordered with marking on switch. add /u or /cul before dash in part number to order ul recognized switch. models rated 3a @ 125v ac & 2a @ 250v ac. single pole: momentary action circuit with solder lug terminations. file no. 023535_0_000 - certifed only when ordered with marking on switch. add /c before dash in part number to order csa certifed switch. sb series rated 3a @ 125v ac & 2a @ 250v ac. single pole: momentary action circuit with solder lug terminations.
series fb & sb momentary pushbuttons www.nkk.com c39 indicators accessories supplement tactiles keylocks rotaries c pushbuttons illuminated pb slides programmable toggles rockers touch tilt distinctive characteristics optional caps in different colors to vary appearance as needed. low operating force for ease of actuation. rear panel bushing mount with compact behind panel dimension. internal antijamming feature to protect the contacts from damage due to excessive force on the plunger. self-cleaning contacts make fb models highly reliable. low cost device of rugged one-piece bushing and housing construction. reliability of construction with an internal guide to maintain contact alignment. epoxy sealed terminals. actual size fb actual size sb fb bushing mount page c40 sb bushing mount page c42
series fb .5 amp momentary pushbuttons www.nkk.com c40 indicators accessories supplement tactiles keylocks rotaries c pushbuttons illuminated pb slides programmable rockers touch tilt toggles important: switches are supplied without ul & culus marking unless specifed. ul & culus recognized only when ordered with marking on the switch. specifc models, ratings, & ordering in- structions are noted on general specif- cations page. cap colors a black b white c red typical switch ordering example a ep f fb spst off-(on) circuit silver contacts & 500-milliamp rating pole & circuit 15an spst off (on) ( ) = momentary 2 description for typical ordering example fb15anep2-fa caps f .201 (5.1mm) dia. h .295 (7.5mm) dia. contact materials & ratings 2 silver contacts 500ma @ 125v ac 4 gold contacts 0.4va max. @ 28v ac/dc max. .201 (5.1mm) diameter black cap 15an terminals ep epoxy sealed pc/turret p no epoxy pc/turret epoxy sealed pc/turret terminals plunger position ( ) = momentary connected terminals throw & switch schematics pole model normal down normal down note: t erminal numbers are not actually on the switch. sp fb15an off (on) open 1-2 spst pole & circuit 12
series fb .5 amp momentary pushbuttons www.nkk.com c41 indicators accessories supplement tactiles keylocks rotaries c pushbuttons illuminated pb slides programmable toggles rockers touch tilt contact materials & ratings silver contacts power level 500ma @ 125v ac a t536 hex nut material: brass with nickel plating 4 gold contacts logic level 0.4v a maximum @ 28v ac/dc maximum no epoxy pc/turret terminals epoxy sealed pc/turret terminals material: polyamide finish: glossy p ep terminals 2 typical switch dimensions pc/turret plunger is white polyacetal. fb15anep2-fa slip-on caps & colors at496 .295 (7.5mm) diameter at475 .201 (5.1mm) diameter h panel thickness: .110 (2.8mm) maximum material: polyamide finish: glossy f a b c black white red colors available: standard hardware & panel cutout (5.1) dia .201 (7.0) dia .276 (4.0) .157 m5 p0.5 (1.2) .047 (5.0) dia .197 (2.7) .106 (5.0) .197 (5.9) .232 (4.0) .157 (11.8) .465 (2.8) dia .110 (2.54) .100 (0.15) ty p .006 (5.1) dia .201 (4.0) .157 (5.9) .232 (7.5) dia .295 (4.0) .157 (5.9) .232 (7.0) .276 m5 p0.5 (8.0) .315 (1.2) .047 (5.3) dia .209 complete explanation of operating range in supplement section.
series sb 3 amp momentary pushbuttons www.nkk.com c42 indicators accessories supplement tactiles keylocks rotaries c pushbuttons illuminated pb slides programmable rockers touch tilt toggles important: switches are supplied without ul, culus & csa marking unless specifed. ul, culus & csa recognized only when ordered with marking on the switch. specifc models, ratings, & ordering in- structions are noted on general specif- cations page. typical switch ordering example plunger colors no code black c red m sb40 metric threaded bushing spst off-(on) normally open circuit pole & circuits normally open 11no spst off (on) normally closed 11nc spst on (off) ( ) = momentary description for typical ordering example sb4011nom slip-on cap & colors no code without cap 2a black 2b white 2c red 2e yellow 2f green 2g blue standard black plunger without slip-on cap 11no bushings m metric threaded m12 p1 h inch threaded 15/32-32 ns silver contacts with 3-amp rating plunger position ( ) = momentary connected terminals throw & switch schematics pole model normal down normal down note: t erminal numbers are not actually on the switch. sp sb4011no off (on) open 1-2 spst sb4011nc on (off) 1-2 open pole & circuits 12 no nc 12 contact materials & ratings no code silver contacts 3a @ 125v ac or 2a @ 250v dc g gold contacts 0.4va max. @ 28v ac/dc max.
series sb 3 amp momentary pushbuttons www.nkk.com c43 indicators accessories supplement tactiles keylocks rotaries c pushbuttons illuminated pb slides programmable toggles rockers touch tilt slip-on cap & colors sb4011nom sb4011ncm 2a 2b 2c at422 .394 (10.0mm) diameter cap sb4011nom sb4011nch 2e 2f 2g black white red yellow green blue typical switch dimensions panel thickness: .157 (4.0mm) hardware provided: 1 at504 knurled face nut 1 at508 lockwasher 1 at527m hex mounting nut details in hardware & accessories section. sb4011noh sb4011nch hardware provided: 2 at503h hex mounting nuts 1 at508 lockwasher details in hardware & accessories section. panel thickness: .157 (4.0mm) (12.0) dia .472 (12.0) dia .472 (12.0) dia .472 (12.0) dia .472 (10.0) dia .394 15/32-32 ns (1.2) dia .047 (4.0) .157 (10.4) .410 (22.0) .866 (6.3) .248 (8.4) dia .331 (10.0) dia .394 m12 p1 (1.2) dia .047 (4.0) .157 (9.0) .354 (22.0) .866 (6.3) .248 (8.4) dia .331 (10.0) dia .394 15/32-32 ns (1.2) dia .047 (5.0) .197 (23.0) .906 (6.3) .248 (8.4) dia .331 (10.4) .410 (10.0) dia .394 m12 p1 (1.2) dia .047 (5.0) .197 (9.0) .354 (23.0) .906 (6.3) .248 (8.4) dia .331 (7.3) .287 (2.2) ty p .086 (0.6) ty p .024 (7.3) .287 (2.2) ty p .086 (0.6) ty p .024 (12.5) dia .492 (12.5) dia .492 inch bushing metric bushing (8.8) .346 (10.0) dia .394 (6.0) .236 slip-on cap & colors sb4011nom sb4011ncm material: polyethylene finish: matte 2a 2b 2c at422 .394 (10.0mm) diameter cap sb4011nch 2e 2f 2g black white red yellow green blue typical switch dimensions panel thickness: .157 (4.0mm) hardware provided: 1 at504 knurled face nut 1 at508 lockwasher 1 at527m hex mounting nut details in hardware & accessories section. sb4011noh sb4011nch hardware provided: 2 at503h hex mounting nuts 1 at508 lockwasher details in hardware & accessories section. panel thickness: .157 (4.0mm) (12.0) dia .472 (12.0) dia .472 (12.0) dia .472 (12.0) dia .472 (10.0) dia .394 15/32-32 ns (1.2) dia .047 (4.0) .157 (10.4) .410 (22.0) .866 (6.3) .248 (8.4) dia .331 (10.0) dia .394 m12 p1 (1.2) dia .047 (4.0) .157 (9.0) .354 (22.0) .866 (6.3) .248 (8.4) dia .331 (10.0) dia .394 15/32-32 ns (1.2) dia .047 (5.0) .197 (23.0) .906 (6.3) .248 (8.4) dia .331 (10.4) .410 (10.0) dia .394 m12 p1 (1.2) dia .047 (5.0) .197 (9.0) .354 (23.0) .906 (6.3) .248 (8.4) dia .331 (7.3) .287 (2.2) ty p .086 (0.6) ty p .024 (7.3) .287 (2.2) ty p .086 (0.6) ty p .024 (12.5) dia .492 (12.5) dia .492 inch bushing metric bushing
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